Finding the Third Proportional to 148,198.50 and 324,504

Step by Step Solution

1. Step 1: Write the proportion equation
   148,198.50 : 324,504 = 324,504 : x
2. Step 2: Convert to fraction form
   148,198.50/324,504 = 324,504/x
3. Step 3: Cross multiply
   148,198.50x = 324,504 × 324,504
4. Step 4: Simplify right side
   148,198.50x = 105,302,846,016
5. Step 5: Solve for x
   x = 105,302,846,016/148,198.50
6. Step 6: Final answer
   x = 710,552.71